/* ArtiProof platform navigation and entry pages — R2026.09.13-STRUCTURE-1 */
.navrow{display:grid;grid-template-columns:auto minmax(0,1fr)}.mainnav{gap:18px;font-size:14px;justify-content:flex-end}.brand-copy small{font-size:9px;letter-spacing:.055em;white-space:nowrap}.site-header .brand{white-space:nowrap}
.platform-hero{padding:64px 0 38px}.platform-hero h1{font-size:clamp(38px,5.3vw,68px);max-width:980px;line-height:1.07;margin:15px 0 24px}
.platform-hero .lede{font-size:clamp(19px,2vw,24px);line-height:1.55;max-width:870px;margin-bottom:0}
.home-hero{padding:60px 0 30px}.home-hero h1{font-size:clamp(43px,5.6vw,72px)}.home-hero .lede{max-width:890px}
.stream-section{padding:22px 0 65px}.stream-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #b8c4bd;border-bottom:1px solid #b8c4bd}
.stream{padding:28px 26px 30px;display:flex;flex-direction:column}.stream:first-child{padding-left:0}.stream:last-child{padding-right:0}.stream+.stream{border-left:1px solid #d0d8d2}
.stream-number{font-size:12px;letter-spacing:.1em;color:var(--accent);font-weight:800;margin-bottom:12px}.stream h2{font-size:clamp(24px,2.5vw,33px);line-height:1.16;margin:0 0 15px;overflow-wrap:normal;hyphens:auto}
.stream p{font-size:16px;line-height:1.55;margin:0 0 17px;color:var(--muted)}.stream .stream-question{font-size:18px;color:var(--ink);font-weight:650;min-height:56px}.stream .text-link{margin-top:auto;padding-top:9px}
.text-link{display:inline-flex;gap:10px;align-items:center;font-weight:750;text-decoration:none;line-height:1.45}.text-link:hover{text-decoration:underline}.text-link span{font-size:21px}
.feature-section{background:#203e33;color:#f7f5ef}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.feature-section .eyebrow{color:#b4d3c1}.feature-section h2{font-size:clamp(36px,4.5vw,59px)}.feature-section p{font-size:19px;color:#e0e8e2;margin-top:0}.feature-section .feature-question{font:clamp(24px,2.8vw,34px)/1.3 ui-serif,Georgia,serif;margin:20px 0 0}.feature-section .small{font-size:14px;color:#c8d5cd}.feature-section .btn.soft{color:#17231f;background:#dce9df}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:22px}.section-heading h2{font-size:clamp(30px,3.6vw,45px);margin-bottom:0}.section-heading>a{white-space:nowrap;font-size:15px;font-weight:700}
.compact-grid{margin-top:0;gap:60px}.compact-grid h2{font-size:34px}.compact-grid p{font-size:18px}.compact-grid>div{min-width:0}
.platform-relation{max-width:850px}.platform-relation h2{font-size:30px}.platform-relation p{font-size:18px}.relation-section{padding-bottom:35px}.publication-status{margin:34px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);max-width:950px}
.programme-row{display:grid;grid-template-columns:1fr 1.25fr;gap:55px;padding:38px 0;border-top:1px solid var(--line)}.programme-row:last-child{border-bottom:1px solid var(--line)}.programme-row h2{font-size:34px;margin-top:12px}.programme-row p{margin-top:0}.programme-row .small{font-size:14px}.programme-row .text-link{margin-top:8px}
.definition{font:22px/1.5 ui-serif,Georgia,serif;margin:25px 0;padding:22px 26px;border-left:4px solid var(--accent);background:#eef4f0}.platform-hero+.section .article{margin:0 auto}.section>.wrap>.article{margin-left:auto;margin-right:auto}
.platform-hero~.section h2{scroll-margin-top:100px}.platform-hero~.section li{margin-bottom:9px}.platform-hero~.section .tablewrap{margin:25px 0}.platform-hero~.section .tablewrap th[scope=row]{text-transform:none;letter-spacing:0;min-width:155px;font-size:15px}
.footergrid{grid-template-columns:1.65fr 1fr 1fr}.footergrid>div:first-child{max-width:430px}.footer .brand{color:var(--ink)}.footergrid p{max-width:390px}
.mainnav a:focus-visible,.text-link:focus-visible{outline-offset:5px}.section.dark .eyebrow{color:#b4d3c1}
@media(max-width:1150px){.mainnav{gap:12px;font-size:13px}.brand-copy small{font-size:8px}.stream h2{font-size:27px}.stream{padding-left:20px;padding-right:20px}}
@media(max-width:1000px){.brand-copy small{display:none}.feature-grid{gap:36px}.stream .stream-question{min-height:84px}}
@media(max-width:950px){.mainnav{font-size:16px}.mainnav a{width:100%;min-height:44px}.lang-switch a{width:auto}.brand-copy small{display:block;font-size:9px}.stream-grid{grid-template-columns:1fr}.stream{padding:24px 0!important}.stream+.stream{border-left:0;border-top:1px solid var(--line)}.stream h2{font-size:30px}.stream .stream-question{min-height:0}.stream p{max-width:650px}.stream-number{margin-bottom:6px}.stream .text-link{padding-top:0}.feature-grid,.programme-row{grid-template-columns:1fr;gap:25px}.compact-grid{gap:30px}.footergrid{grid-template-columns:1.65fr 1fr 1fr}}
@media(max-width:620px){.platform-hero,.home-hero{padding:39px 0 24px}.platform-hero h1{font-size:39px;margin-top:14px}.home-hero h1{font-size:43px}.platform-hero .lede{font-size:19px}.brand-copy small{font-size:8px}.stream-section{padding:12px 0 42px}.stream h2{font-size:30px}.section-heading{display:block}.section-heading>a{display:inline-block;margin-top:15px}.feature-section h2{font-size:44px}.feature-section p{font-size:18px}.feature-section .feature-question{font-size:28px}.compact-grid h2,.programme-row h2{font-size:30px}.programme-row{padding:28px 0;gap:8px}.definition{font-size:20px;padding:18px}.footergrid{grid-template-columns:1fr}.footergrid>div:first-child{max-width:none}.footergrid p{max-width:100%}.article h2{font-size:30px}.tablewrap{max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:950px){.navrow{grid-template-columns:minmax(0,1fr) auto}.mainnav{justify-content:flex-start}.menu-btn{justify-self:end}}

/* Compact editorial notes: supporting detail after the main explanation. */
.method-note{padding:22px 0 28px}.method-note p{max-width:950px;color:var(--muted);font-size:14px;line-height:1.6;border-top:1px solid var(--line);padding-top:18px;margin:0}
.case-research-status{margin-top:14px;border-top:1px solid #cfb5a8;padding-top:10px}.case-research-status summary{font:14px/1.5 var(--case-serif);cursor:pointer;text-decoration:underline}.case-research-status p{padding-top:9px}
.method-note p+p{border-top:0;padding-top:10px}